Microsoft could have trained this on their own code and there would be no issue. The problem is instead of doing that they knew full well the approach would rep

Microsoft could have trained this on their own code and there would be no issue. The problem is instead of doing that they knew full well the approach would reproduce the code and they decided they would rather breach GPL than expose their own code. But I bet Microsoft has more than enough lines to train an AI, there was a clear choice to breach other peoples licenses in preference.